ZHCSFV7 November 2016 TMP421-Q1 , TMP422-Q1 , TMP423-Q1
PRODUCTION DATA.
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | DXP | Analog input | Positive connection to remote temperature sensor |
| 2 | DXN | Analog input | Negative connection to remote temperature sensor |
| 3 | A1 | Digital input | Address pin |
| 4 | A0 | Digital input | Address pin |
| 5 | GND | Ground | Ground |
| 6 | SDA | Bidirectional digital input-output | Serial data line for SMBus, open-drain; requires pullup resistor to V+ |
| 7 | SCL | Digital input | Serial clock line for SMBus, open-drain; requires pullup resistor to V+ |
| 8 | V+ | Power supply | Positive supply voltage (2.7 V to 5.5 V for the TMP421-Q1) |
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | DX1 | Analog input | Channel 1 remote temperature sensor connection pin. Also sets the TMP422-Q1 address; see Table 4. |
| 2 | DX2 | Analog input | Channel 1 remote temperature sensor connection pin. Also sets the TMP422-Q1 address; see Table 4. |
| 3 | DX3 | Analog input | Channel 2 remote temperature sensor connection pin. Also sets the TMP422-Q1 address; see Table 4. |
| 4 | DX4 | Analog input | Channel 2 remote temperature sensor connection pin. Also sets the TMP422-Q1 address; see Table 4. |
| 5 | GND | Ground | Ground |
| 6 | SDA | Bidirectional digital input-output | Serial data line for SMBus, open-drain; requires pullup resistor to V+. |
| 7 | SCL | Digital input | Serial clock line for SMBus, open-drain; requires pullup resistor to V+. |
| 8 | V+ | Power supply | Positive supply voltage (2.7 V to 5.5 V). |
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | DXP1 | Analog input | Channel 1 positive connection to remote temperature sensor |
| 2 | DXP2 | Analog input | Channel 2 positive connection to remote temperature sensor |
| 3 | DXP3 | Analog input | Channel 3 positive connection to remote temperature sensor |
| 4 | DXN | Analog input | Common negative connection to remote temperature sensors, channel 1, channel 2, and channel 3 |
| 5 | GND | Ground | Ground |
| 6 | SDA | Bidirectional digital input-output | Serial data line for SMBus, open-drain; requires pullup resistor to V+ |
| 7 | SCL | Digital input | Serial clock line for SMBus, open-drain; requires pullup resistor to V+ |
| 8 | V+ | Power supply | Positive supply voltage (2.7 V to 5.5 V) |